Male stag beetles will battle it out with other males to demonstrate who is the largest and strongest and therefore most worthy of reproducing. This image shows two male stag beetles (members of the ...

If you’ve ever observed deer or seen images of mature bucks, you may have noticed that older deer tend to have larger and more complex antlers. You might have also heard that deer shed their ...

Horns and antlers are extensions of an animal's skull and are generally found only on males, though there are quite a few exceptions. Although horns and antlers look similar in appearance ...